| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.compute.internal; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static com.google.common.base.Predicates.and; |
| 23 | import static com.google.common.base.Predicates.not; |
| 24 | import static com.google.common.base.Predicates.notNull; |
| 25 | import static com.google.common.collect.Iterables.filter; |
| 26 | import static com.google.common.collect.Maps.newLinkedHashMap; |
| 27 | import static com.google.common.collect.Sets.filter; |
| 28 | import static com.google.common.collect.Sets.newLinkedHashSet; |
| 29 | import static com.google.common.util.concurrent.Futures.immediateFuture; |
| 30 | import static org.jclouds.compute.predicates.NodePredicates.TERMINATED; |
| 31 | import static org.jclouds.compute.predicates.NodePredicates.all; |
| 32 | import static org.jclouds.concurrent.FutureIterables.awaitCompletion; |
| 33 | import static org.jclouds.concurrent.FutureIterables.transformParallel; |
| 34 | |
| 35 | import java.io.IOException; |
| 36 | import java.util.Map; |
| 37 | import java.util.NoSuchElementException; |
| 38 | import java.util.Set; |
| 39 | import java.util.concurrent.Callable; |
| 40 | import java.util.concurrent.ExecutorService; |
| 41 | import java.util.concurrent.Future; |
| 42 | import java.util.concurrent.TimeUnit; |
| 43 | import java.util.concurrent.atomic.AtomicReference; |
| 44 | |
| 45 | import javax.annotation.Resource; |
| 46 | import javax.inject.Inject; |
| 47 | import javax.inject.Named; |
| 48 | import javax.inject.Provider; |
| 49 | import javax.inject.Singleton; |
| 50 | |
| 51 | import org.jclouds.Constants; |
| 52 | import org.jclouds.collect.Memoized; |
| 53 | import org.jclouds.compute.ComputeService; |
| 54 | import org.jclouds.compute.ComputeServiceContext; |
| 55 | import org.jclouds.compute.RunNodesException; |
| 56 | import org.jclouds.compute.RunScriptOnNodesException; |
| 57 | import org.jclouds.compute.callables.RunScriptOnNode; |
| 58 | import org.jclouds.compute.config.CustomizationResponse; |
| 59 | import org.jclouds.compute.domain.ComputeMetadata; |
| 60 | import org.jclouds.compute.domain.ExecResponse; |
| 61 | import org.jclouds.compute.domain.Hardware; |
| 62 | import org.jclouds.compute.domain.Image; |
| 63 | import org.jclouds.compute.domain.NodeMetadata; |
| 64 | import org.jclouds.compute.domain.NodeMetadataBuilder; |
| 65 | import org.jclouds.compute.domain.NodeState; |
| 66 | import org.jclouds.compute.domain.Template; |
| 67 | import org.jclouds.compute.domain.TemplateBuilder; |
| 68 | import org.jclouds.compute.options.RunScriptOptions; |
| 69 | import org.jclouds.compute.options.TemplateOptions; |
| 70 | import org.jclouds.compute.reference.ComputeServiceConstants; |
| 71 | import org.jclouds.compute.reference.ComputeServiceConstants.Timeouts; |
| 72 | import org.jclouds.compute.strategy.CreateNodesInGroupThenAddToSet; |
| 73 | import org.jclouds.compute.strategy.DestroyNodeStrategy; |
| 74 | import org.jclouds.compute.strategy.GetNodeMetadataStrategy; |
| 75 | import org.jclouds.compute.strategy.InitializeRunScriptOnNodeOrPlaceInBadMap; |
| 76 | import org.jclouds.compute.strategy.ListNodesStrategy; |
| 77 | import org.jclouds.compute.strategy.RebootNodeStrategy; |
| 78 | import org.jclouds.compute.strategy.ResumeNodeStrategy; |
| 79 | import org.jclouds.compute.strategy.RunScriptOnNodeAndAddToGoodMapOrPutExceptionIntoBadMap; |
| 80 | import org.jclouds.compute.strategy.SuspendNodeStrategy; |
| 81 | import org.jclouds.domain.Credentials; |
| 82 | import org.jclouds.domain.Location; |
| 83 | import org.jclouds.domain.Credentials.Builder; |
| 84 | import org.jclouds.io.Payload; |
| 85 | import org.jclouds.logging.Logger; |
| 86 | import org.jclouds.predicates.RetryablePredicate; |
| 87 | import org.jclouds.scriptbuilder.domain.Statement; |
| 88 | import org.jclouds.scriptbuilder.domain.Statements; |
| 89 | import org.jclouds.scriptbuilder.functions.InitAdminAccess; |
| 90 | import org.jclouds.util.Maps2; |
| 91 | import org.jclouds.util.Strings2; |
| 92 | |
| 93 | import com.google.common.base.Function; |
| 94 | import com.google.common.base.Predicate; |
| 95 | import com.google.common.base.Supplier; |
| 96 | import com.google.common.base.Throwables; |
| 97 | import com.google.common.collect.ImmutableMap; |
| 98 | import com.google.common.collect.ImmutableSet; |
| 99 | import com.google.common.collect.Iterables; |
| 100 | import com.google.common.collect.LinkedHashMultimap; |
| 101 | import com.google.common.collect.Multimap; |
| 102 | |
| 103 | /** |
| 104 | * |
| 105 | * @author Adrian Cole |
| 106 | */ |
| 107 | @Singleton |
| 108 | public class BaseComputeService implements ComputeService { |
| 109 | |
| 110 | @Resource |
| 111 | @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| 112 | protected Logger logger = Logger.NULL; |
| 113 | |
| 114 | protected final ComputeServiceContext context; |
| 115 | protected final Map<String, Credentials> credentialStore; |
| 116 | |
| 117 | private final Supplier<Set<? extends Image>> images; |
| 118 | private final Supplier<Set<? extends Hardware>> hardwareProfiles; |
| 119 | private final Supplier<Set<? extends Location>> locations; |
| 120 | private final ListNodesStrategy listNodesStrategy; |
| 121 | private final GetNodeMetadataStrategy getNodeMetadataStrategy; |
| 122 | private final CreateNodesInGroupThenAddToSet runNodesAndAddToSetStrategy; |
| 123 | private final RebootNodeStrategy rebootNodeStrategy; |
| 124 | private final DestroyNodeStrategy destroyNodeStrategy; |
| 125 | private final ResumeNodeStrategy resumeNodeStrategy; |
| 126 | private final SuspendNodeStrategy suspendNodeStrategy; |
| 127 | private final Provider<TemplateBuilder> templateBuilderProvider; |
| 128 | private final Provider<TemplateOptions> templateOptionsProvider; |
| 129 | private final Predicate<NodeMetadata> nodeRunning; |
| 130 | private final Predicate<NodeMetadata> nodeTerminated; |
| 131 | private final Predicate<NodeMetadata> nodeSuspended; |
| 132 | private final InitializeRunScriptOnNodeOrPlaceInBadMap.Factory initScriptRunnerFactory; |
| 133 | private final Timeouts timeouts; |
| 134 | private final InitAdminAccess initAdminAccess; |
| 135 | private final PersistNodeCredentials persistNodeCredentials; |
| 136 | private final RunScriptOnNode.Factory runScriptOnNodeFactory; |
| 137 | private final ExecutorService executor; |
| 138 | |
| 139 | @Inject |
| 140 | protected BaseComputeService(ComputeServiceContext context, Map<String, Credentials> credentialStore, |
| 141 | @Memoized Supplier<Set<? extends Image>> images, |
| 142 | @Memoized Supplier<Set<? extends Hardware>> hardwareProfiles, |
| 143 | @Memoized Supplier<Set<? extends Location>> locations, ListNodesStrategy listNodesStrategy, |
| 144 | GetNodeMetadataStrategy getNodeMetadataStrategy, |
| 145 | CreateNodesInGroupThenAddToSet runNodesAndAddToSetStrategy, RebootNodeStrategy rebootNodeStrategy, |
| 146 | DestroyNodeStrategy destroyNodeStrategy, ResumeNodeStrategy resumeNodeStrategy, |
| 147 | SuspendNodeStrategy suspendNodeStrategy, Provider<TemplateBuilder> templateBuilderProvider, |
| 148 | Provider<TemplateOptions> templateOptionsProvider, |
| 149 | @Named("NODE_RUNNING") Predicate<NodeMetadata> nodeRunning, |
| 150 | @Named("NODE_TERMINATED") Predicate<NodeMetadata> nodeTerminated, |
| 151 | @Named("NODE_SUSPENDED") Predicate<NodeMetadata> nodeSuspended, |
| 152 | InitializeRunScriptOnNodeOrPlaceInBadMap.Factory initScriptRunnerFactory, InitAdminAccess initAdminAccess, |
| 153 | RunScriptOnNode.Factory runScriptOnNodeFactory, PersistNodeCredentials persistNodeCredentials, |
| 154 | Timeouts timeouts, @Named(Constants.PROPERTY_USER_THREADS) ExecutorService executor) { |
| 155 | this.context = checkNotNull(context, "context"); |
| 156 | this.credentialStore = checkNotNull(credentialStore, "credentialStore"); |
| 157 | this.images = checkNotNull(images, "images"); |
| 158 | this.hardwareProfiles = checkNotNull(hardwareProfiles, "hardwareProfiles"); |
| 159 | this.locations = checkNotNull(locations, "locations"); |
| 160 | this.listNodesStrategy = checkNotNull(listNodesStrategy, "listNodesStrategy"); |
| 161 | this.getNodeMetadataStrategy = checkNotNull(getNodeMetadataStrategy, "getNodeMetadataStrategy"); |
| 162 | this.runNodesAndAddToSetStrategy = checkNotNull(runNodesAndAddToSetStrategy, "runNodesAndAddToSetStrategy"); |
| 163 | this.rebootNodeStrategy = checkNotNull(rebootNodeStrategy, "rebootNodeStrategy"); |
| 164 | this.resumeNodeStrategy = checkNotNull(resumeNodeStrategy, "resumeNodeStrategy"); |
| 165 | this.suspendNodeStrategy = checkNotNull(suspendNodeStrategy, "suspendNodeStrategy"); |
| 166 | this.destroyNodeStrategy = checkNotNull(destroyNodeStrategy, "destroyNodeStrategy"); |
| 167 | this.templateBuilderProvider = checkNotNull(templateBuilderProvider, "templateBuilderProvider"); |
| 168 | this.templateOptionsProvider = checkNotNull(templateOptionsProvider, "templateOptionsProvider"); |
| 169 | this.nodeRunning = checkNotNull(nodeRunning, "nodeRunning"); |
| 170 | this.nodeTerminated = checkNotNull(nodeTerminated, "nodeTerminated"); |
| 171 | this.nodeSuspended = checkNotNull(nodeSuspended, "nodeSuspended"); |
| 172 | this.initScriptRunnerFactory = checkNotNull(initScriptRunnerFactory, "initScriptRunnerFactory"); |
| 173 | this.timeouts = checkNotNull(timeouts, "timeouts"); |
| 174 | this.initAdminAccess = checkNotNull(initAdminAccess, "initAdminAccess"); |
| 175 | this.runScriptOnNodeFactory = checkNotNull(runScriptOnNodeFactory, "runScriptOnNodeFactory"); |
| 176 | this.persistNodeCredentials = checkNotNull(persistNodeCredentials, "persistNodeCredentials"); |
| 177 | this.executor = checkNotNull(executor, "executor"); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * {@inheritDoc} |
| 182 | */ |
| 183 | @Override |
| 184 | public ComputeServiceContext getContext() { |
| 185 | return context; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * {@inheritDoc} |
| 190 | */ |
| 191 | @Override |
| 192 | public Set<? extends NodeMetadata> runNodesWithTag(String group, int count, Template template) |
| 193 | throws RunNodesException { |
| 194 | return createNodesInGroup(group, count, template); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * {@inheritDoc} |
| 199 | */ |
| 200 | @Override |
| 201 | public Set<? extends NodeMetadata> runNodesWithTag(String group, int count, TemplateOptions templateOptions) |
| 202 | throws RunNodesException { |
| 203 | return createNodesInGroup(group, count, templateBuilder().any().options(templateOptions).build()); |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * {@inheritDoc} |
| 208 | */ |
| 209 | @Override |
| 210 | public Set<? extends NodeMetadata> runNodesWithTag(String group, int count) throws RunNodesException { |
| 211 | return createNodesInGroup(group, count, templateOptions()); |
| 212 | } |
| 213 | |
| 214 | @Override |
| 215 | public Set<? extends NodeMetadata> createNodesInGroup(String group, int count, Template template) |
| 216 | throws RunNodesException { |
| 217 | checkNotNull(group, "group cannot be null"); |
| 218 | checkNotNull(template.getLocation(), "location"); |
| 219 | logger.debug(">> running %d node%s group(%s) location(%s) image(%s) hardwareProfile(%s) options(%s)", count, |
| 220 | count > 1 ? "s" : "", group, template.getLocation().getId(), template.getImage().getId(), template |
| 221 | .getHardware().getId(), template.getOptions()); |
| 222 | Set<NodeMetadata> goodNodes = newLinkedHashSet(); |
| 223 | Map<NodeMetadata, Exception> badNodes = newLinkedHashMap(); |
| 224 | Multimap<NodeMetadata, CustomizationResponse> customizationResponses = LinkedHashMultimap.create(); |
| 225 | |
| 226 | if (template.getOptions().getRunScript() != null) |
| 227 | initAdminAccess.visit(template.getOptions().getRunScript()); |
| 228 | |
| 229 | Map<?, Future<Void>> responses = runNodesAndAddToSetStrategy.execute(group, count, template, goodNodes, badNodes, |
| 230 | customizationResponses); |
| 231 | Map<?, Exception> executionExceptions = awaitCompletion(responses, executor, null, logger, "runNodesWithTag(" |
| 232 | + group + ")"); |
| 233 | Function<NodeMetadata, NodeMetadata> fn = persistNodeCredentials.always(template.getOptions().getRunScript()); |
| 234 | badNodes = Maps2.transformKeys(badNodes, fn); |
| 235 | goodNodes = ImmutableSet.copyOf(Iterables.transform(goodNodes, fn)); |
| 236 | if (executionExceptions.size() > 0 || badNodes.size() > 0) { |
| 237 | throw new RunNodesException(group, count, template, goodNodes, executionExceptions, badNodes); |
| 238 | } |
| 239 | return goodNodes; |
| 240 | } |
| 241 | |
| 242 | @Override |
| 243 | public Set<? extends NodeMetadata> createNodesInGroup(String group, int count, TemplateOptions templateOptions) |
| 244 | throws RunNodesException { |
| 245 | return createNodesInGroup(group, count, templateBuilder().any().options(templateOptions).build()); |
| 246 | } |
| 247 | |
| 248 | @Override |
| 249 | public Set<? extends NodeMetadata> createNodesInGroup(String group, int count) throws RunNodesException { |
| 250 | return createNodesInGroup(group, count, templateOptions()); |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * {@inheritDoc} |
| 255 | */ |
| 256 | @Override |
| 257 | public void destroyNode(final String id) { |
| 258 | checkNotNull(id, "id"); |
| 259 | logger.debug(">> destroying node(%s)", id); |
| 260 | final AtomicReference<NodeMetadata> node = new AtomicReference<NodeMetadata>(); |
| 261 | RetryablePredicate<String> tester = new RetryablePredicate<String>(new Predicate<String>() { |
| 262 | |
| 263 | @Override |
| 264 | public boolean apply(String input) { |
| 265 | try { |
| 266 | NodeMetadata md = destroyNodeStrategy.destroyNode(id); |
| 267 | if (md != null) |
| 268 | node.set(md); |
| 269 | return true; |
| 270 | } catch (IllegalStateException e) { |
| 271 | logger.warn("<< illegal state destroying node(%s)", id); |
| 272 | return false; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | }, timeouts.nodeRunning, 1000, TimeUnit.MILLISECONDS); |
| 277 | boolean successful = tester.apply(id) && (node.get() == null || nodeTerminated.apply(node.get())); |
| 278 | if (successful) |
| 279 | credentialStore.remove("node#" + id); |
| 280 | logger.debug("<< destroyed node(%s) success(%s)", id, successful); |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * {@inheritDoc} |
| 285 | */ |
| 286 | @Override |
| 287 | public Set<? extends NodeMetadata> destroyNodesMatching(Predicate<NodeMetadata> filter) { |
| 288 | logger.debug(">> destroying nodes matching(%s)", filter); |
| 289 | Set<NodeMetadata> set = newLinkedHashSet(transformParallel(nodesMatchingFilterAndNotTerminated(filter), |
| 290 | new Function<NodeMetadata, Future<NodeMetadata>>() { |
| 291 | |
| 292 | // TODO make an async interface instead of re-wrapping |
| 293 | @Override |
| 294 | public Future<NodeMetadata> apply(final NodeMetadata from) { |
| 295 | return executor.submit(new Callable<NodeMetadata>() { |
| 296 | |
| 297 | @Override |
| 298 | public NodeMetadata call() throws Exception { |
| 299 | destroyNode(from.getId()); |
| 300 | return from; |
| 301 | } |
| 302 | |
| 303 | @Override |
| 304 | public String toString() { |
| 305 | return "destroyNode(" + from.getId() + ")"; |
| 306 | } |
| 307 | }); |
| 308 | } |
| 309 | |
| 310 | }, executor, null, logger, "destroyNodesMatching(" + filter + ")")); |
| 311 | logger.debug("<< destroyed(%d)", set.size()); |
| 312 | return set; |
| 313 | } |
| 314 | |
| 315 | Iterable<? extends NodeMetadata> nodesMatchingFilterAndNotTerminated(Predicate<NodeMetadata> filter) { |
| 316 | return filter(detailsOnAllNodes(), and(checkNotNull(filter, "filter"), not(TERMINATED))); |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * @throws NoSuchElementException |
| 321 | * if none found |
| 322 | */ |
| 323 | Iterable<? extends NodeMetadata> nodesMatchingFilterAndNotTerminatedExceptionIfNotFound( |
| 324 | Predicate<NodeMetadata> filter) { |
| 325 | Iterable<? extends NodeMetadata> nodes = nodesMatchingFilterAndNotTerminated(filter); |
| 326 | if (Iterables.size(nodes) == 0) |
| 327 | throw new NoSuchElementException("no nodes matched filter: " + filter); |
| 328 | return nodes; |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * {@inheritDoc} |
| 333 | */ |
| 334 | @Override |
| 335 | public Set<ComputeMetadata> listNodes() { |
| 336 | logger.debug(">> listing nodes"); |
| 337 | Set<ComputeMetadata> set = newLinkedHashSet(listNodesStrategy.listNodes()); |
| 338 | logger.debug("<< list(%d)", set.size()); |
| 339 | return set; |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * {@inheritDoc} |
| 344 | */ |
| 345 | @Override |
| 346 | public Set<? extends NodeMetadata> listNodesDetailsMatching(Predicate<ComputeMetadata> filter) { |
| 347 | checkNotNull(filter, "filter"); |
| 348 | logger.debug(">> listing node details matching(%s)", filter); |
| 349 | Set<NodeMetadata> set = newLinkedHashSet(listNodesStrategy.listDetailsOnNodesMatching(filter)); |
| 350 | logger.debug("<< list(%d)", set.size()); |
| 351 | return set; |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * {@inheritDoc} |
| 356 | */ |
| 357 | @Override |
| 358 | public Set<? extends Hardware> listHardwareProfiles() { |
| 359 | return hardwareProfiles.get(); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * {@inheritDoc} |
| 364 | */ |
| 365 | @Override |
| 366 | public Set<? extends Image> listImages() { |
| 367 | return images.get(); |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * {@inheritDoc} |
| 372 | */ |
| 373 | @Override |
| 374 | public Set<? extends Location> listAssignableLocations() { |
| 375 | return locations.get(); |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * {@inheritDoc} |
| 380 | */ |
| 381 | @Override |
| 382 | public TemplateBuilder templateBuilder() { |
| 383 | return templateBuilderProvider.get(); |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * {@inheritDoc} |
| 388 | */ |
| 389 | @Override |
| 390 | public NodeMetadata getNodeMetadata(String id) { |
| 391 | checkNotNull(id, "id"); |
| 392 | return getNodeMetadataStrategy.getNode(id); |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * {@inheritDoc} |
| 397 | */ |
| 398 | @Override |
| 399 | public void rebootNode(String id) { |
| 400 | checkNotNull(id, "id"); |
| 401 | logger.debug(">> rebooting node(%s)", id); |
| 402 | NodeMetadata node = rebootNodeStrategy.rebootNode(id); |
| 403 | boolean successful = nodeRunning.apply(node); |
| 404 | logger.debug("<< rebooted node(%s) success(%s)", id, successful); |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * {@inheritDoc} |
| 409 | */ |
| 410 | @Override |
| 411 | public void rebootNodesMatching(Predicate<NodeMetadata> filter) { |
| 412 | logger.debug(">> rebooting nodes matching(%s)", filter); |
| 413 | transformParallel(nodesMatchingFilterAndNotTerminatedExceptionIfNotFound(filter), |
| 414 | new Function<NodeMetadata, Future<Void>>() { |
| 415 | // TODO use native async |
| 416 | @Override |
| 417 | public Future<Void> apply(NodeMetadata from) { |
| 418 | rebootNode(from.getId()); |
| 419 | return immediateFuture(null); |
| 420 | } |
| 421 | |
| 422 | }, executor, null, logger, "rebootNodesMatching(" + filter + ")"); |
| 423 | logger.debug("<< rebooted"); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * {@inheritDoc} |
| 428 | */ |
| 429 | @Override |
| 430 | public void resumeNode(String id) { |
| 431 | checkNotNull(id, "id"); |
| 432 | logger.debug(">> resuming node(%s)", id); |
| 433 | NodeMetadata node = resumeNodeStrategy.resumeNode(id); |
| 434 | boolean successful = nodeRunning.apply(node); |
| 435 | logger.debug("<< resumed node(%s) success(%s)", id, successful); |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * {@inheritDoc} |
| 440 | */ |
| 441 | @Override |
| 442 | public void resumeNodesMatching(Predicate<NodeMetadata> filter) { |
| 443 | logger.debug(">> resuming nodes matching(%s)", filter); |
| 444 | transformParallel(nodesMatchingFilterAndNotTerminatedExceptionIfNotFound(filter), |
| 445 | new Function<NodeMetadata, Future<Void>>() { |
| 446 | // TODO use native async |
| 447 | @Override |
| 448 | public Future<Void> apply(NodeMetadata from) { |
| 449 | resumeNode(from.getId()); |
| 450 | return immediateFuture(null); |
| 451 | } |
| 452 | |
| 453 | }, executor, null, logger, "resumeNodesMatching(" + filter + ")"); |
| 454 | logger.debug("<< resumed"); |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * {@inheritDoc} |
| 459 | */ |
| 460 | @Override |
| 461 | public void suspendNode(String id) { |
| 462 | checkNotNull(id, "id"); |
| 463 | logger.debug(">> suspending node(%s)", id); |
| 464 | NodeMetadata node = suspendNodeStrategy.suspendNode(id); |
| 465 | boolean successful = nodeSuspended.apply(node); |
| 466 | logger.debug("<< suspended node(%s) success(%s)", id, successful); |
| 467 | } |
| 468 | |
| 469 | /** |
| 470 | * {@inheritDoc} |
| 471 | */ |
| 472 | @Override |
| 473 | public void suspendNodesMatching(Predicate<NodeMetadata> filter) { |
| 474 | logger.debug(">> suspending nodes matching(%s)", filter); |
| 475 | transformParallel(nodesMatchingFilterAndNotTerminatedExceptionIfNotFound(filter), |
| 476 | new Function<NodeMetadata, Future<Void>>() { |
| 477 | // TODO use native async |
| 478 | @Override |
| 479 | public Future<Void> apply(NodeMetadata from) { |
| 480 | suspendNode(from.getId()); |
| 481 | return immediateFuture(null); |
| 482 | } |
| 483 | |
| 484 | }, executor, null, logger, "suspendNodesMatching(" + filter + ")"); |
| 485 | logger.debug("<< suspended"); |
| 486 | } |
| 487 | |
| 488 | /** |
| 489 | * {@inheritDoc} |
| 490 | */ |
| 491 | @Override |
| 492 | public Map<NodeMetadata, ExecResponse> runScriptOnNodesMatching(Predicate<NodeMetadata> filter, Payload runScript) |
| 493 | throws RunScriptOnNodesException { |
| 494 | return runScriptOnNodesMatching(filter, runScript, RunScriptOptions.NONE); |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * {@inheritDoc} |
| 499 | */ |
| 500 | @Override |
| 501 | public Map<NodeMetadata, ExecResponse> runScriptOnNodesMatching(Predicate<NodeMetadata> filter, Payload runScript, |
| 502 | RunScriptOptions options) throws RunScriptOnNodesException { |
| 503 | try { |
| 504 | return runScriptOnNodesMatching(filter, Statements.exec(Strings2.toStringAndClose(checkNotNull(runScript, |
| 505 | "runScript").getInput())), options); |
| 506 | } catch (IOException e) { |
| 507 | Throwables.propagate(e); |
| 508 | return null; |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * {@inheritDoc} |
| 514 | */ |
| 515 | @Override |
| 516 | public Map<NodeMetadata, ExecResponse> runScriptOnNodesMatching(Predicate<NodeMetadata> filter, String runScript) |
| 517 | throws RunScriptOnNodesException { |
| 518 | return runScriptOnNodesMatching(filter, Statements.exec(checkNotNull(runScript, "runScript"))); |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * {@inheritDoc} |
| 523 | */ |
| 524 | @Override |
| 525 | public Map<NodeMetadata, ExecResponse> runScriptOnNodesMatching(Predicate<NodeMetadata> filter, Statement runScript) |
| 526 | throws RunScriptOnNodesException { |
| 527 | return runScriptOnNodesMatching(filter, runScript, RunScriptOptions.NONE); |
| 528 | } |
| 529 | |
| 530 | @Override |
| 531 | public Map<? extends NodeMetadata, ExecResponse> runScriptOnNodesMatching(Predicate<NodeMetadata> filter, |
| 532 | String runScript, RunScriptOptions options) throws RunScriptOnNodesException { |
| 533 | return runScriptOnNodesMatching(filter, Statements.exec(checkNotNull(runScript, "runScript")), options); |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * {@inheritDoc} |
| 538 | */ |
| 539 | @Override |
| 540 | public Map<NodeMetadata, ExecResponse> runScriptOnNodesMatching(Predicate<NodeMetadata> filter, Statement runScript, |
| 541 | RunScriptOptions options) throws RunScriptOnNodesException { |
| 542 | |
| 543 | checkNotNull(filter, "filter"); |
| 544 | checkNotNull(runScript, "runScript"); |
| 545 | checkNotNull(options, "options"); |
| 546 | |
| 547 | Map<NodeMetadata, ExecResponse> goodNodes = newLinkedHashMap(); |
| 548 | Map<NodeMetadata, Exception> badNodes = newLinkedHashMap(); |
| 549 | Map<NodeMetadata, Future<ExecResponse>> responses = newLinkedHashMap(); |
| 550 | Map<?, Exception> exceptions = ImmutableMap.<Object, Exception> of(); |
| 551 | |
| 552 | initAdminAccess.visit(runScript); |
| 553 | |
| 554 | Iterable<? extends RunScriptOnNode> scriptRunners = transformNodesIntoInitializedScriptRunners( |
| 555 | nodesMatchingFilterAndNotTerminatedExceptionIfNotFound(filter), runScript, options, badNodes); |
| 556 | if (Iterables.size(scriptRunners) > 0) { |
| 557 | for (RunScriptOnNode runner : scriptRunners) { |
| 558 | responses.put(runner.getNode(), executor.submit(new RunScriptOnNodeAndAddToGoodMapOrPutExceptionIntoBadMap( |
| 559 | runner, goodNodes, badNodes))); |
| 560 | } |
| 561 | exceptions = awaitCompletion(responses, executor, null, logger, "runScriptOnNodesMatching(" + filter + ")"); |
| 562 | } |
| 563 | |
| 564 | Function<NodeMetadata, NodeMetadata> fn = persistNodeCredentials.ifAdminAccess(runScript); |
| 565 | badNodes = Maps2.transformKeys(badNodes, fn); |
| 566 | goodNodes = Maps2.transformKeys(goodNodes, fn); |
| 567 | |
| 568 | if (exceptions.size() > 0 || badNodes.size() > 0) { |
| 569 | throw new RunScriptOnNodesException(runScript, options, goodNodes, exceptions, badNodes); |
| 570 | } |
| 571 | return goodNodes; |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * {@inheritDoc} |
| 576 | */ |
| 577 | @Override |
| 578 | public ExecResponse runScriptOnNode(String id, String runScript) { |
| 579 | return runScriptOnNode(id, runScript, RunScriptOptions.NONE); |
| 580 | } |
| 581 | |
| 582 | /** |
| 583 | * {@inheritDoc} |
| 584 | */ |
| 585 | @Override |
| 586 | public ExecResponse runScriptOnNode(String id, String runScript, RunScriptOptions options) { |
| 587 | return runScriptOnNode(id, Statements.exec(checkNotNull(runScript, "runScript")), options); |
| 588 | } |
| 589 | |
| 590 | /** |
| 591 | * {@inheritDoc} |
| 592 | */ |
| 593 | @Override |
| 594 | public ExecResponse runScriptOnNode(String id, Statement runScript) { |
| 595 | return runScriptOnNode(id, runScript, RunScriptOptions.NONE); |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * {@inheritDoc} |
| 600 | */ |
| 601 | @Override |
| 602 | public ExecResponse runScriptOnNode(String id, Statement runScript, RunScriptOptions options) { |
| 603 | NodeMetadata node = this.getNodeMetadata(id); |
| 604 | if (node == null) |
| 605 | throw new NoSuchElementException(id); |
| 606 | if (node.getState() != NodeState.RUNNING) |
| 607 | throw new IllegalStateException("node " + id |
| 608 | + " needs to be running before executing a script on it. current state: " + node.getState()); |
| 609 | initAdminAccess.visit(runScript); |
| 610 | node = updateNodeWithCredentialsIfPresent(node, options); |
| 611 | ExecResponse response = runScriptOnNodeFactory.create(node, runScript, options).init().call(); |
| 612 | persistNodeCredentials.ifAdminAccess(runScript).apply(node); |
| 613 | return response; |
| 614 | } |
| 615 | |
| 616 | private Iterable<? extends RunScriptOnNode> transformNodesIntoInitializedScriptRunners( |
| 617 | Iterable<? extends NodeMetadata> nodes, Statement script, RunScriptOptions options, |
| 618 | Map<NodeMetadata, Exception> badNodes) { |
| 619 | return filter(transformParallel(nodes, new TransformNodesIntoInitializedScriptRunners(script, options, badNodes), |
| 620 | executor, null, logger, "initialize script runners"), notNull()); |
| 621 | } |
| 622 | |
| 623 | private Set<? extends NodeMetadata> detailsOnAllNodes() { |
| 624 | return newLinkedHashSet(listNodesStrategy.listDetailsOnNodesMatching(all())); |
| 625 | } |
| 626 | |
| 627 | @Override |
| 628 | public TemplateOptions templateOptions() { |
| 629 | return templateOptionsProvider.get(); |
| 630 | } |
| 631 | |
| 632 | protected NodeMetadata updateNodeWithCredentialsIfPresent(NodeMetadata node, RunScriptOptions options) { |
| 633 | checkNotNull(node, "node"); |
| 634 | if (options.getOverridingCredentials() != null) { |
| 635 | Builder<? extends Credentials> builder = node.getCredentials() != null ? node.getCredentials().toBuilder() |
| 636 | : new Credentials.Builder<Credentials>(); |
| 637 | if (options.getOverridingCredentials().identity != null) |
| 638 | builder.identity(options.getOverridingCredentials().identity); |
| 639 | if (options.getOverridingCredentials().credential != null) |
| 640 | builder.credential(options.getOverridingCredentials().credential); |
| 641 | node = NodeMetadataBuilder.fromNodeMetadata(node).credentials(builder.build()).build(); |
| 642 | } |
| 643 | return node; |
| 644 | } |
| 645 | |
| 646 | private final class TransformNodesIntoInitializedScriptRunners implements |
| 647 | Function<NodeMetadata, Future<RunScriptOnNode>> { |
| 648 | private final Map<NodeMetadata, Exception> badNodes; |
| 649 | private final Statement script; |
| 650 | private final RunScriptOptions options; |
| 651 | |
| 652 | private TransformNodesIntoInitializedScriptRunners(Statement script, RunScriptOptions options, |
| 653 | Map<NodeMetadata, Exception> badNodes) { |
| 654 | this.badNodes = checkNotNull(badNodes, "badNodes"); |
| 655 | this.script = checkNotNull(script, "script"); |
| 656 | this.options = checkNotNull(options, "options"); |
| 657 | } |
| 658 | |
| 659 | @Override |
| 660 | public Future<RunScriptOnNode> apply(NodeMetadata node) { |
| 661 | node = updateNodeWithCredentialsIfPresent(node, options); |
| 662 | return executor.submit(initScriptRunnerFactory.create(node, script, options, badNodes)); |
| 663 | } |
| 664 | |
| 665 | } |
| 666 | |
| 667 | } |